Crucial Memory Bundle with 16GB (2 x 8GB) DDR4 PC4-21300 2666MHz Memory (CT2K8G4SFS8266) Compatible with Latitude Notebook Laptop 5500, 5580, 5590, 5591, 7200, 7280, 7290, 7300, 7390, 7400, 7480, 7490
PNY Performance 16GB DDR4 DRAM 2666MHz (PC4-21300) CL19 (Compatible with 2400MHz or 2133MHz) 1.2V Notebook/Laptop (SODIMM) Computer Memory RAM – MN16GSD42666 at Amazon.com
Kimtigo DDR4 16GB Laptop Dram 2666MHz (PC4-21300) CL19 (Compatible with 2400MHz or 2133MHz) 1.2V Notebook (SODIMM) RAM Non-ECC Unbuffered Single Rank 260 Pin PC Computer Memory Module Upgrade at Amazon.com
Crucial 16GB (2x8GB) DDR4 2666MHz SODIMM Memory Bundle with P1 500GB 3D NAND NVMe PCIe SSD Compatible with OptiPlex MFF 3050, 3060, 3070, 5050, 5060, 5070, 7050, 7060, 7070